Calibration Test Block 3 5 10 15mm 1018 Steel Thickness linearity

Please note that the prices is only one pieces 4 Step 3mm-5mm-10mm-15mm Ultrasonic Step Test Blocks

Technical Specifications
▲▲Model:4 Step Ultrasonic Calibration Blocks
▲▲Material：1018 Steel
▲▲Thickness:3mm-5mm-10mm-15mm 
▲▲Length*Width:80mm*20mm